Factoid: According to the Environmental Protection Agency (as of 2015), there are more than 865 registered pesticides registered in the US

The “Poison Papers” represent a vast trove of rediscovered chemical industry and regulatory agency documents and correspondence stretching back to the 1920s. Taken as a whole, the papers show that both industry and regulators understood the extraordinary toxicity of many chemical products and worked together to conceal this information from the public and the press. These papers will transform our understanding of the hazards posed by certain chemicals on the market and the fraudulence of some of the regulatory processes relied upon to protect human health and the environment.